Specification: Type: Solar System/Kit Color: Black Material: ABS plastic (hard and durable plastic) Dimensions: Corner form (L x W x H): 15 x 9 x 6 cm (5.9 x 3.6 x 2.4 inches) Side mounting (L x W x H): 18 x 9 x 6 cm (7.1 x 3.6 x 2.4 inch) Quantity: 6 pieces Application: Camping/Hiking, Home/Garden, Motorhome (RV) Features: 1.Made of eco-friendly, UV resistant ABS plastic. 2.Anti-reflective coating improves light absorption. 3. The brackets also act as wind deflectors, keeping a cooling air gap between the solar panel and the roof/deck. 4) Panel corners protect the corners of the solar panels from damage. 5. Brackets are ready to attach to solar panel and surface. If drilling is required, all mounting locations are marked on the brackets, so regardless of the holes, the brackets can be securely glued to the surface. Installation: 1. the holes should be in each the bracket should be drilled and the corresponding holes in the solar panel frame on each side; 2. Then the brackets should